Display screen or portion thereof with icon



The FIGURE is a front view of a display screen or portion thereof with icon showing my new design.

The broken lines illustrating portions of the display screen or portion thereof with icon are for environmental purposes only and form no part of the claimed design. The dot-dash broken lines define boundaries of the claimed design and form no part thereof. 

CLAIM The ornamental design for a display screen or portion thereof with icon, as shown and described. 